下载安装文件,解压,进入目录
1、编译
./configure --prefix=/usr/local/python3
2、安装
make
make insatll
3、安装依赖
yum -y install zlib*
yum -y install zlib-devel bzip2-devel openssl-devel ncurses-devel
sqlite-devel readline-devel tk-devel gdbm-devel db4-devel libpcap-devel xz-devel
yum install libffi-devel -y
4、创建软链接
ln -s /usr/local/python3/bin/python3 /usr/bin/python3
ln -s /usr/local/python3/bin/pip3 /usr/bin/pip3